1 files changed, 14 insertions, 0 deletions
diff --git a/scripts/atomic/fallbacks/inc_not_zero b/scripts/atomic/fallbacks/inc_not_zero
new file mode 100755
index 000000000..50f2d4d48
--- /dev/null
+++ b/scripts/atomic/fallbacks/inc_not_zero
@@ -0,0 +1,14 @@
+cat <<EOF
+/**
+ * ${arch}${atomic}_inc_not_zero - increment unless the number is zero
+ * @v: pointer of type ${atomic}_t
+ *
+ * Atomically increments @v by 1, if @v is non-zero.
+ * Returns true if the increment was done.
+ */
+static __always_inline bool
+${arch}${atomic}_inc_not_zero(${atomic}_t *v)
+{
+	return ${arch}${atomic}_add_unless(v, 1, 0);
+}
+EOF